Common Green Darner (Anax junius)
Observed
1 female and a couple Aeshna sp. darners

Brush-tipped Emerald (Somatochlora walshii)
Netted and released
A few as well as a few other, larger Somatochlora sp. that didn't perch and which I couldn't net.

Racket-tailed Emerald (Dorocordulia libera)
Photographed
a few

Autumn Meadowhawk (Sympetrum vicinum)
Observed
1 immature male

Band-winged Meadowhawk (Sympetrum semicinctum)
Photographed
several

Belted Whiteface (Leucorrhinia proxima)
Netted and released
1 male

Blue Dasher (Pachydiplax longipennis)
Observed
2 males

Calico Pennant (Celithemis elisa)
Observed
1 male

Cherry-faced Meadowhawk (Sympetrum internum)
Netted and released
a few

Common Whitetail (Plathemis lydia)
Observed
1 male and 1 female

Eastern Amberwing (Perithemis tenera)
Photographed
1 male

Frosted Whiteface (Leucorrhinia frigida)
Netted and released
1 female

Ruby Meadowhawk (Sympetrum rubicundulum)
Netted and released
1 female

Twelve-spotted Skimmer (Libellula pulchella)
Observed
several

Ebony Jewelwing (Calopteryx maculata)
Observed
15+ on creek